chrome/common/chrome_version_info_posix.cc

   1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chrome/common/chrome_version_info.h"
   6
   7 #include "base/strings/string_util.h"
   8 #include "build/build_config.h"
   9
  10 namespace chrome {
  11
  12 namespace {
  13
  14 // Helper function to return both the channel enum and modifier string.
  15 // Implements both together to prevent their behavior from diverging, which has
  16 // happened multiple times in the past.
  17 VersionInfo::Channel GetChannelImpl(std::string* modifier_out) {
  18   VersionInfo::Channel channel = VersionInfo::CHANNEL_UNKNOWN;
  19   std::string modifier;
  20
  21   char* env = getenv("CHROME_VERSION_EXTRA");
  22   if (env)
  23     modifier = env;
  24
  25 #if defined(GOOGLE_CHROME_BUILD)
  26   // Only ever return "", "unknown", "dev" or "beta" in a branded build.
  27   if (modifier == "unstable")  // linux version of "dev"
  28     modifier = "dev";
  29   if (modifier == "stable") {
  30     channel = VersionInfo::CHANNEL_STABLE;
  31     modifier = "";
  32   } else if (modifier == "dev") {
  33     channel = VersionInfo::CHANNEL_DEV;
  34   } else if (modifier == "beta") {
  35     channel = VersionInfo::CHANNEL_BETA;
  36   } else {
  37     modifier = "unknown";
  38   }
  39 #endif
  40
  41   if (modifier_out)
  42     modifier_out->swap(modifier);
  43
  44   return channel;
  45 }
  46
  47 }  // namespace
  48
  49 // static
  50 std::string VersionInfo::GetVersionStringModifier() {
  51   std::string modifier;
  52   GetChannelImpl(&modifier);
  53   return modifier;
  54 }
  55
  56 // static
  57 VersionInfo::Channel VersionInfo::GetChannel() {
  58   return GetChannelImpl(NULL);
  59 }
  60
  61 }  // namespace chrome